PL376758A1 - A drill bit, a drill rod and a self drilling roof bolt - Google Patents

A drill bit, a drill rod and a self drilling roof bolt

Info

Publication number
PL376758A1
PL376758A1 PL376758A PL37675804A PL376758A1 PL 376758 A1 PL376758 A1 PL 376758A1 PL 376758 A PL376758 A PL 376758A PL 37675804 A PL37675804 A PL 37675804A PL 376758 A1 PL376758 A1 PL 376758A1
Authority
PL
Poland
Prior art keywords
drill
roof bolt
self drilling
drill bit
drilling roof
Prior art date
Application number
PL376758A
Other languages
Polish (pl)
Inventor
Steven Weaver
Michael Mclean
Original Assignee
Sandvik Intellectual Hb
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandvik Intellectual Hb filed Critical Sandvik Intellectual Hb
Publication of PL376758A1 publication Critical patent/PL376758A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58—Chisel-type inserts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0053—Anchoring-bolts in the form of lost drilling rods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
PL376758A 2003-02-19 2004-02-06 A drill bit, a drill rod and a self drilling roof bolt PL376758A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2003200561A AU2003200561B9 (en) 2003-02-19 2003-02-19 Drill bit

Publications (1)

Publication Number Publication Date
PL376758A1 true PL376758A1 (en) 2006-01-09

Family

ID=32873298

Family Applications (1)

Application Number Title Priority Date Filing Date
PL376758A PL376758A1 (en) 2003-02-19 2004-02-06 A drill bit, a drill rod and a self drilling roof bolt

Country Status (9)

Country Link
US (1) US8286736B2 (en)
CN (1) CN100577982C (en)
AU (1) AU2003200561B9 (en)
DE (1) DE112004000290T5 (en)
NO (1) NO20053427L (en)
PL (1) PL376758A1 (en)
RU (1) RU2324819C2 (en)
WO (1) WO2004074635A1 (en)
ZA (1) ZA200506631B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU783956B2 (en) * 2001-12-05 2006-01-05 Sandvik Intellectual Property Ab A drill bit with offset drill tip
KR101434244B1 (en) * 2007-02-14 2014-08-27 산드빅 인터렉츄얼 프로퍼티 에이비 A drill bit and a single drilling apparatus
CN109476823B (en) * 2016-06-22 2021-12-14 瀚森公司 Chemical products for adhesive applications
EP3305448B1 (en) 2016-09-23 2020-11-04 Milwaukee Electric Tool Corporation Hole saw arbor assembly
JP6785977B2 (en) * 2016-10-10 2020-11-18 ティエムティ − タッピング メジャーリング テクノロジー エスエイアールエル Drill bit
EP3354385B1 (en) 2017-01-06 2020-05-27 Milwaukee Electric Tool Corporation Hole saw
USD973733S1 (en) 2017-08-15 2022-12-27 Milwaukee Electric Tool Corporation Hole saw
US11759921B2 (en) 2020-05-28 2023-09-19 Illinois Tool Works Inc. Self-drilling expandable anchor installation tool and methods of use thereof

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB664983A (en) 1949-08-24 1952-01-16 Brian Exley Berry Improvements in and relating to tool tipping
US3850054A (en) * 1971-03-11 1974-11-26 B Weissman Composite drill
US4712626A (en) * 1981-04-02 1987-12-15 Mining Tools, Inc. Div. Of Smith California Retainer device for drill bit
US4527931A (en) * 1983-05-27 1985-07-09 Gte Laboratories Incorporated Indexable insert for mining drill
US4819748A (en) * 1987-02-20 1989-04-11 Truscott Aaron S Roof drill bit
WO1995030066A1 (en) * 1994-05-03 1995-11-09 Kennametal Inc. Rotary borer
US5400861A (en) * 1994-05-05 1995-03-28 Kennametal, Inc. Rotatable cutting bit assembly
DE19545648A1 (en) * 1995-12-07 1997-06-12 Hilti Ag Rotary impact twist drill
US5833017A (en) * 1996-10-10 1998-11-10 Kennametal Inc. Cutting bit assembly for impinging an earth strata
US5951208A (en) * 1997-06-13 1999-09-14 J. H. Fletcher & Co., Inc. Roof bolting method and related apparatus
US5996714A (en) * 1997-07-15 1999-12-07 Kennametal Inc. Rotatable cutting bit assembly with wedge-lock retention assembly
US5927912A (en) * 1998-01-28 1999-07-27 Tycom Corporation Composite drill bit using adhesive bond
GB9906114D0 (en) * 1999-03-18 1999-05-12 Camco Int Uk Ltd A method of applying a wear-resistant layer to a surface of a downhole component
AU717071B1 (en) * 1999-10-29 2000-03-16 Sandvik Intellectual Property Ab Self drilling roof bolt
DE10034742A1 (en) * 2000-07-17 2002-01-31 Hilti Ag Tool with assigned impact tool
DE10053344A1 (en) * 2000-10-27 2002-05-08 Hilti Ag rock drill
DE10114882A1 (en) 2001-03-26 2002-10-24 Friedrich-Wilhelm Bach Drilling tool used for drilling purposes comprises a shaft and a cutting plate and/or cutting body fixed to the front end of the shaft
US6684968B2 (en) * 2001-06-25 2004-02-03 Kennametal Inc. Roof bit body and insert assembly
AT5577U1 (en) * 2001-07-02 2002-08-26 Plansee Tizit Ag DRILL FOR DRILLING STONE
DE10142560A1 (en) * 2001-08-30 2003-03-20 Hilti Ag Drilling head with a cutting element
DE10161187B4 (en) * 2001-12-13 2015-10-01 Hilti Aktiengesellschaft rock drill

Also Published As

Publication number Publication date
AU2003200561B2 (en) 2009-06-04
US8286736B2 (en) 2012-10-16
WO2004074635A1 (en) 2004-09-02
DE112004000290T5 (en) 2006-11-02
AU2003200561A1 (en) 2004-09-09
ZA200506631B (en) 2006-09-27
NO20053427D0 (en) 2005-07-14
AU2003200561B9 (en) 2009-07-02
US20070000701A1 (en) 2007-01-04
CN1833091A (en) 2006-09-13
CN100577982C (en) 2010-01-06
NO20053427L (en) 2005-08-30
RU2005129111A (en) 2006-01-27
RU2324819C2 (en) 2008-05-20

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Legal Events

Date Code Title Description
VOID Decisions declaring the decisions on the grant of the patent lapsed